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Table 7 The average intakes of minerals during the Antarctic event and the recommended daily allowance values (RDA) for males and females ( n= 10)

From: A case study evaluation of competitors undertaking an antarctic ultra-endurance event: nutrition, hydration and body composition variables

Mineral intake per day

RDA [ 11 ]

Fast finishers

Slow finishers

Calcium (mg.day−1)

1,000 mg (M, F)

848.7 ± 137.6

872.4 ± 260.5

Phosphorus (mg.day−1)

700 mg (M, F)

1,859.3 ± 781.4*

717.9 ± 200.2

Iron (mg.day−1)

8 mg (M), 18 mg (F)

8.1 ± 3.6

5.8 ± 2.0

Sodium (mg.day−1)

1,500 mg (M, F)

343.2 ± 38.4

3,769.4 ± 1,764.1*

Potassium (mg.day−1)

4,700 mg (M, F)

1,747.2 ± 845.4*

531.5 ± 152.3

Magnesium (mg.day−1)

420 mg (M), 320 mg (F)

852.6 ± 407.7*

215.2 ± 73.9

Copper (mg.day−1)

0.9 mg (M, F)

3.8 ± 1.8*

0.9 ± 0.3

Manganese (mg.day−1)

2.3 mg (M), 1.8 mg (F)

3.3 ± 1.5

4.8 ± 1.6

  1. *Significant difference between groups, p < 0.05.